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Omega Seamaster Planet Ocean 600M 45.5mm Steel/Diamond Black Dial Leather Strap 232.18.46.21.01.001

Omega Seamaster Planet Ocean 600M 45.5mm Steel/Diamond Black Dial Leather Strap 232.18.46.21.01.001 Omega Seamaster Planet Ocean 600M 45.5mm Steel/Diamond…

Reference 232.18.46.21.01.001

Full watch configuration

Omega Seamaster Planet Ocean 600M 45.5mm Steel/Diamond Black Dial Leather Strap 232.18.46.21.01.001

$17,299.00

By Omega

Sourced to order. We confirm the watch, condition and final price before purchase. Reference images shown.

Eligible watches: 90-day returns for store credit only. Brand-new watches and other exclusions are final sale. Return terms.

Omega Seamaster Planet Ocean 600M 45.5mm Steel/Diamond Black Dial Leather Strap 232.18.46.21.01.001

Omega Seamaster Planet Ocean 600M 45.5mm Steel/Diamond Black Dial Leather Strap 232.18.46.21.01.001

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Omega Seamaster Planet Ocean 600M 45.5mm Steel/Diamond Black Dial Leather Strap 232.18.46.21.01.001

Catalogue watch price: $17,299.00 USD

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The Omega Seamaster Planet Ocean 600M reference 232.18.46.21.01.001 is a 45.5mm stainless steel dive watch featuring a black index and Arabic-numeral dial, a diamond-set bezel, and a Co-Axial automatic movement. Paired with a leather strap, this reference bridges serious dive-watch credentials with high-jewelry finishing that makes it equally at home on the wrist at a formal occasion.

What sets this Planet Ocean 600M apart is the rare combination of a 600-metre-rated case and a diamond-set bezel, an elevated configuration seldom seen in tool-watch design. Contact Bizak & Co. today to purchase this reference at the best available price or to learn more about our new and pre-owned Omega inventory.

Compare it across every Seamaster Planet Ocean 600M reference we carry, or browse the full Omega collection at Bizak & Co.

Buy this Seamaster Planet Ocean 600M, trade in your current watch, or sell us yours. Contact Bizak & Co. to make an offer or request a fair-market valuation.

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The Omega Seamaster Planet Ocean 600M is one of the most respected dive watches in modern horology, tracing its lineage to Omega's deep commitment to professional underwater timekeeping that stretches back to the mid-twentieth century. The Planet Ocean line was introduced to carry forward that heritage with a bolder, larger case architecture suited to contemporary tastes and genuine diving utility. Reference 232.18.46.21.01.001 represents one of the most striking configurations in the collection, uniting a formidable 45.5mm stainless steel case with diamond embellishment that elevates it well beyond the purely functional.

At 45.5mm in diameter, the case makes an unambiguous statement on the wrist. The stainless steel construction is finished to Omega's exacting standards, with alternating brushed and polished surfaces that catch light from every angle. The case's architecture is engineered to withstand depths rated to 600 metres, underpinned by a helium escape valve and screw-down crown that speak to the watch's genuine professional diving pedigree even when worn far from the water.

The black dial is rendered with both applied index markers and Arabic numerals, a combination that delivers exceptional legibility under all lighting conditions. The contrast between the deep black dial surface and the bright hour markers is a hallmark of Planet Ocean design philosophy: function and drama working in perfect harmony. This dial configuration is one of the most enduring and sought-after in the Planet Ocean range.

The bezel on this reference is set with diamonds, transforming a component that is traditionally defined by raw utility into a piece of high jewelry. This is a bold creative choice by Omega, and it works precisely because the underlying watch is so technically serious. The result is a timepiece that can credibly transition from a resort environment to a black-tie event without compromise, a versatility few watches at any price point can claim.

Powering the watch is Omega's Co-Axial movement, a technology developed with the legendary watchmaker George Daniels and adopted by Omega to reduce friction in the escapement, lower the need for frequent servicing, and improve long-term precision. The Co-Axial caliber fitted to this reference delivers the reliability and accuracy that professional-grade timing demands. Paired with a leather strap for a refined, dressed-up wearing experience, this Planet Ocean is as comfortable at a dinner table as it is on an expedition.

Bizak & Co. offers this Omega Seamaster Planet Ocean 600M reference 232.18.46.21.01.001 at a best-available price, with the full assurance of authenticity and professional service that defines our dealership. Whether you are a seasoned Omega collector seeking a statement piece, a first-time luxury watch buyer drawn to the Planet Ocean's iconic status, or someone searching for the perfect gift, this reference is a compelling choice. Reach out to our team at bizakandco.com to secure yours or to ask any questions about this watch.

Technical Details
Reference
232.18.46.21.01.001
Model
Seamaster Planet Ocean 600M
Movement
Automatic
Case material
Stainless Steel
Bracelet material
Leather
Dial
Black with index and Arabic numerals
Case size
46mm
FAQ

1. What makes the Omega Seamaster Planet Ocean 600M 232.18.46.21.01.001 special?
This reference stands out for its rare combination of a genuine 600-metre-rated dive case and a diamond-set bezel, a pairing that gives it both professional tool-watch credentials and high-jewelry appeal. The 45.5mm stainless steel case, black index and Arabic-numeral dial, and Co-Axial movement make it one of the most versatile and visually striking configurations in the entire Planet Ocean lineup.

2. What movement powers the Omega Planet Ocean 232.18.46.21.01.001?
This watch is powered by an Omega Co-Axial automatic movement, a technology that uses a three-level escapement to reduce friction and improve long-term accuracy and reliability. The Co-Axial system is one of Omega's defining technical achievements and reduces the frequency of servicing compared to a conventional lever escapement.

3. What is the case size of this Omega Planet Ocean?
The case measures 45.5mm in diameter and is crafted from stainless steel, giving the watch a bold and commanding wrist presence. This size is characteristic of the larger Planet Ocean configurations designed to make a strong visual statement while maintaining the ergonomics expected of a serious dive watch.

4. Is the Omega Seamaster Planet Ocean 600M suitable for everyday wear?
Yes, the Planet Ocean 600M is built to withstand the rigors of daily wear, with a stainless steel case rated to 600 metres of water resistance and a robust Co-Axial movement. The leather strap on this reference also makes it comfortable and refined enough for office or evening wear, so it transitions naturally across different environments.

5. What is the bezel and dial like on reference 232.18.46.21.01.001?
The bezel is set with diamonds, adding a luxurious and eye-catching element to what is otherwise a classically styled dive-watch form. The black dial features a combination of index markers and Arabic numerals for excellent legibility, creating a dramatic contrast that is both practical and aesthetically striking.

6. Is this a good buy, and how can I purchase it from Bizak & Co.?
The Omega Seamaster Planet Ocean 600M 232.18.46.21.01.001 is offered at the best available price through Bizak & Co., making it an excellent opportunity for collectors and first-time luxury watch buyers alike. You can browse and purchase online at bizakandco.com or contact our team directly for personalized assistance and any questions about this reference.

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Eligible watches may be returned within 90 days for store credit. Brand-new watches and other exclusions are final sale.

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U.S. overnight shipping is $100; international shipping is $500. Dispatch takes 2–3 business days after your wire clears. International transit times vary. Shipping details.

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